Run results for: converting arguments to Array

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.81 Safari/537.36

Browser: Chrome 94

Operating system: Linux

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
baseline (main)	3345.1 Ops/sec
current (PR)	16304.5 Ops/sec

Script Preparation code:

function runLoop(fn) {
  for (let i = 1000; i--; ) {
    fn("bacon", "egg", "spam");
  }
}

Tests:

baseline (main)
function makeArray() { return Array.prototype.slice.call(arguments); } runLoop(makeArray);
current (PR)
function makeArray() { var _args; return (_args = []).push.apply(_args, arguments), _args; } runLoop(makeArray);